1,2-bis(bromanyl)-4,5-dimethyl-benzene 1,2-dibromo-4,5-dimethylbenzene 24932-48-7 A817560 CAS 24932-48-7
| CAS No. | 24932-48-7 |
| Molecular Formula | C8H14Br2 |
| Molecular Weight | 270.00 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 1,2-bis(bromanyl)-4,5-dimethyl-benzene 1,2-dibromo-4,5-dimethylbenzene 24932-48-7 A817560 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
1,2-bis(bromanyl)-4,5-dimethyl-benzene 1,2-dibromo-4,5-dimethylbenzene 24932-48-7 A817560 (CAS 24932-48-7), molecular formula C8H14Br2 and molecular weight 270.00 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 1,2-bis(bromanyl)-4,5-dimethyl-benzene 1,2-dibromo-4,5-dimethylbenzene 24932-48-7 A817560 (C8H14Br2) is characterized by bromine substitution. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C8H14Br2 |
| Molecular Weight | 270.00 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1964 |
| Halogen Content | Br-containing |
Related bis Standards
- 3,5-bis(bromanyl)benzaldehyde 3,5-dibromobenzaldehyde 56990-02-4 A831271 (CAS 56990-02-4)
- 56394-22-0 6-bromanyl-4-methyl-2-oxidanylidene-chromene-3-carbonitrile 6-bromo-4-methyl-2-oxo-1-benzopyran-3-carbonitrile A831031 (CAS 56394-22-0)
- 4-bromanyl-3,5-dimethoxy-benzoate 4-bromo-3,5-dimethoxybenzoate 56518-42-4 A831069 (CAS 56518-42-4)
- (E)-1-bromanyl-1,1,2,2-tetrakis(fluoranyl)oct-3-ene (E)-1-bromo-1,1,2,2-tetrafluoro-3-octene 74793-72-9 A838230 (CAS 74793-72-9)
- 7-bromanyl-2-chloranyl-quinoline 7-bromo-2-chloroquinoline 99455-15-9 A846028 (CAS 99455-15-9)
- 2-bromanyl-3-hexyl-thiophene 2-bromo-3-hexylthiophene 69249-61-2 A836409 (CAS 69249-61-2)
- 5-bromanyl-2-pyrrolidin-3-yloxy-pyrimidine 5-bromo-2-(3-pyrrolidinyloxy)pyrimidine 914347-82-3 A843913 (CAS 914347-82-3)
- 2,5-bis(bromanyl)pyrimidine 2,5-dibromopyrimidine 32779-37-6 A821409 (CAS 32779-37-6)
Recommended Standards
- trans-1,4-bis(bromomethyl)cyclohexane (CAS 57702-84-8)
- 3-Bromo-1-(2-bromoethyl)benzene 3-Bromophenethyl bromide 40422-70-6 (CAS 40422-70-6)
- 6-Bromo-2-(trifluoromethyl)nicotinic acid (CAS 749875-13-6)
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- Methyl 3-fluoro-5-(4-fluorophenyl)benzoate (CAS 1820711-39-4)
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